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The sum of the interior angles are (18-2)*180 = 2880 degrees

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Q: What is the sum of an interior angle of a 18 -side polygon?
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Related questions

The sum of the measures of the interior angle of a polygon with n side is?

(n-2)*180


What is the sum of the interior angles of a regular polygon if each angle measures 20 degrees?

There is no regular polygon with an interior angle of 20o. If the interior angle is 120o then there are six sides and the sum of the angles is 720o.


What is the Sum of interior angle of polygon?

The sum of the interior angles of a polygon with n sides is 180*(n-2) degrees.


What polygon has a interior angle sum of 4860?

A 29-sided polygon.


How many degrees are in the sum of an angle and an exterior angle of a regular polygon?

360 ________________________________________________ Sum of Interior Angles of a Polygon = 180 (n-2) Sum of Exterior Angles of a Polygon = 360 The sum of an angle and an exterior angle of a regular polygon is 360


A polygon with interior angle sum is 540?

A pentagon


Is it possible for a polygon to have an interior angle sum of 2450?

No


What is the sum of the interior angle measure of a 13 - side polygon?

Altogether they add up to 1980 degrees.


What is the sum of interior and exterior angle of a polygon?

The sum of each pair of interior and exterior angles of a polygon is always 180 degrees.


If the sum of the interior angle of a polygon equals 4320 degrees what is the measure of each interior angle of the polygon?

Im stuck on that too :/


What is the total interior angle sum of a polygon?

(number of sides -2)*180 = sum of interior angles


What are the interior and exterior angles in a regular polygon?

A polygon is a closed figure in the plane. It has an inside and an outside.The angles on the inside are the interior angles. An exterior angle is the angle between any side of the polygon and a line extended from the next side.Here is an example to help.If you draw an triangle, the angles inside it are interior angles. Then if you extend any side, the angle between that line and the next side is the exterior angle.The sum of the exteriors is always 360. For a polygon with n sides, the sum of the interior angles is 180 (n-2) degrees.